otocyst

noun

oto·cyst ˈō-tə-ˌsist

: a fluid-containing organ of many invertebrates that contains an otolith : statocyst

otocystic

ˌō-tə-ˈsi-stik

adjective

Word History

Etymology

International Scientific Vocabulary; from its probable auditory function

First Known Use

1874, in the meaning defined above

Time Traveler

The first known use of otocyst was in 1874

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Cite this Entry

Style

“Otocyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/otocyst. Accessed 29 Jul. 2025.

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Medical Definition

otocyst

noun

oto·cyst ˈōt-ə-ˌsist

1

: a fluid-containing organ of many invertebrates that contains an otolith

2

: otic vesicle

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